<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>Nine Ai</title>
    <style>
      .loading-container {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
      }

      .loading {
        display: inline-block;
        width: 80px;
        height: 80px;
      }

      .loading:after {
        content: " ";
        display: block;
        width: 64px;
        height: 64px;
        margin: 8px;
        border-radius: 50%;
        border: 6px solid #000;
        border-color: #000 transparent #000 transparent;
        animation: loading 1.2s linear infinite;
      }

      @keyframes loading {
        0% {
          transform: rotate(0);
        }
        100% {
          transform: rotate(360deg);
        }
      }
    </style>
  </head>

  <body>
    <div class="loading-container">
      <div class="loading"></div>
    </div>

    <h1>Welcome Use Nine Ai</h1>
  </body>
</html>
